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问题 单项选择题

以下选项不属于桥梁整个结构的条理和一体化的是？（）

A.所有结构构件截而形状的连贯和统一

B.结构体系的空间与稳定的发展

C.结构体系的组合

D.艺术外形

答案

参考答案：B

单项选择题

A management information system （） the business managers the information that they need to make decisions. Early business computers were used for simple operations such （） tracking inventory, billing, sales, or payroll data, with little detail or structure. Over time. these computer applicationsbecame more complex, hardware storage capacities grew, and technologies improved for connecting previously （） applications. As more data was stored and linked, managers sought greater abstraction as well as greater detail with the aim of creating significant management reports from the raw, stored （） . Originally，the term "MIS" described applications providing managers with information about sales, inventories, and other data that would help in （） the enterprise. Over time, the term broadened to include：decision support systems，resource management and human resource management，enterprise resource planning(ERP), enterprise performance management(EPM), supply chain management(SCM)，customer relationship management(CRM)，project management and database retrieval applications

Over time. these computer applicationsbecame more complex, hardware storage capacities grew, and technologies improved for connecting previously （） applications

A．special

B．obvious

C．isolated

D．individual
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单项选择题

Pentium CPU采用了很多且分布在不同的位置上的地线引脚GND和电源引脚VCC，其目的主要是( )。

A．为了方便连线

B．为了方便提供电源

C．因为需要的电源线越来越多

D．为了散热
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